<template>
  <div>
    <input type="text" v-model="asd">{{asd}}
  </div>
</template>
<script>

export default {
  data() {
    return {
      num:44456
    }
  },
  computed:{
    asd(){
      let m =new Date()
      // console.log(sum.getFullYear(),sum.getMonth(),sum.getDate());
      return  `${m.getFullYear()}+${m.getFullYear()}+${m.getFullYear()}`
    }
  }
}
</script>
<style lang="less" rel="stylesheet/less" scoped>
</style>